<template>
  <div>
    <el-form ref="form" label-width="80px">
      <el-form-item label="SPU名称">
        {{ spu.spuName }}
      </el-form-item>
      <el-form-item label="SKU名称">
        <el-input placeholder="sku名称" v-model="skuInfo.skuName"></el-input>
      </el-form-item>
      <el-form-item label="价格(元)">
        <el-input placeholder="价格(元)" v-model="skuInfo.price" type="number"></el-input>
      </el-form-item>
      <el-form-item label="重量(千克)">
        <el-input placeholder="重量(千克)" v-model="skuInfo.weight"></el-input>
      </el-form-item>
      <el-form-item label="规格描述">
        <el-input type="textarea" rows="4" placeholder="规格描述" v-model="skuInfo.skuDesc"></el-input>
      </el-form-item>
      <el-form-item label="平台属性">
        <el-form :inline="true" ref="form" label-width="80px">
          <el-form-item :label="attr.attrName" v-for="(attr, index) in attrInfoList" :key="attr.id">
            <el-select placeholder="请选择" v-model="attr.attrIdAndValueId">
              <el-option :label="attrValue.valueName" :value="`${attr.id}:${attrValue.id}`"
                v-for="(attrValue, index) in attr.attrValueList" :key="attrValue.id"></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="销售属性">
        <el-form :inline="true" ref="form" label-width="80px">
          <el-form-item :label="saleAttr.saleAttrName" v-for="(saleAttr, index) in spuSaleAttrList" :key=saleAttr.id>
            <el-select placeholder="请选择" v-model="saleAttr.attrIdAndValueId">
              <el-option :label="saleAttrValue.saleAttrValueName" :value="`${saleAttr.id}:${saleAttrValue.id}`"
                v-for="(saleAttrValue, index) in saleAttr.spuSaleAttrValueList" :key="saleAttrValue.id"></el-option>
            </el-select>
          </el-form-item>
        </el-form>
      </el-form-item>
      <el-form-item label="图片列表">
        <el-table style="width:100%" border :data="spuImageList" @selection-change="handleSelectionChange">
          <el-table-column type="selection" prop="prop" width="80">
          </el-table-column>
          <el-table-column prop="prop" label="图片" width="width">
            <template slot-scope="{row,$index}">
              <img :src="row.imgUrl" alt="" style="width: 100px; height: 100px;">
            </template>
          </el-table-column>
          <el-table-column prop="imageName" label="名称" width="width">
          </el-table-column>
          <el-table-column prop="prop" label="操作" width="width">
            <template slot-scope="{row,$index}">
              <el-button type="primary" v-if="row.isDefault == 0" @click="changeDefault(row)">设置默认</el-button>
              <el-button v-else>默认</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="save">保存</el-button>
        <el-button @click="cancel">取消</el-button>
      </el-form-item>
    </el-form>

  </div>
</template>

<script>
export default {
  name: 'SkuForm',
  data() {
    return {
      //存储图片的信息数组
      spuImageList: [],
      //存储销售属性
      spuSaleAttrList: [],
      //存储平台属性的数据
      attrInfoList: [],
      //收集sku数据的字段
      skuInfo: {
        //第一类收集的数据,父组件给的数据
        category3Id: 0,
        spuId: 0,
        tmId: 0,
        //第二类数据：需要v-model收集
        skuName: '',
        weight: '',
        price: 0,
        skuDesc: '',
        //需要自己书写代码
        //收集图片的字段
        skuImageList: [],
        //平台属性
        skuAttrValueList: [
        ],
        skuDefaultImg: 'string',
        //销售属性
        skuSaleAttrValueList: [],

      },
      spu: {},
      //收集图片的数据字段
      imageList: []
    }
  },
  methods: {
    //获取skuForm数据
    async getData(category1Id, category2Id, spu) {
      //收集父组件给予的数据
      this.skuInfo.category3Id = spu.category3Id;
      this.skuInfo.spuId = spu.id;
      this.skuInfo.tmId = spu.tmId;
      this.spu = spu;
      //获取图片的数据
      let result = await this.$API.sku.reqSpuImageList(spu.id)
      if (result.code == 200) {
        let list = result.data;
        list.forEach(item => {
          item.isDefault = 0;
        });
        this.spuImageList = list;
      }
      //获取销售属性的数据
      let result1 = await this.$API.sku.reqSpuSaleAttrList(spu.id)
      if (result1.code == 200) {
        this.spuSaleAttrList = result1.data;
      }
      //获取平台属性的数据
      let result2 = await this.$API.sku.reqAttrInfoList(category1Id, category2Id, spu.category3Id)
      if (result2.code == 200) {
        this.attrInfoList = result2.data;
      }
    },
    //table复选框
    handleSelectionChange(params) {
      this.imageList = params;
    },
    //排他操作
    changeDefault(row) {
      this.spuImageList.forEach(item => {
        item.isDefault = 0;
      });
      //点击的那个图片数据变为1
      row.isDefault = 1
      //收集默认图片的地址
      this.skuInfo.skuDefaultImg = row.imageUrl;
    },
    //取消
    cancel() {
      //改变场景
      this.$emit('changeScenes', 0)
      //清理数据
      Object.assign(this._data, this.$options.data());
    },
    //保存
    async save() {
      //整理参数
      //整理平台属性
      const { attrInfoList,skuInfo ,spuSaleAttrList,imageList} = this;
      skuInfo.skuAttrValueList = attrInfoList.reduce((prev, item) => {
        if (item.attrIdAndValueId) {
          const [attrId, valueId] = item.attrIdAndValueId.split(":");
          prev.push({ attrId, valueId });
        }
        return prev;
      }, []);
      //整理销售属性
      skuInfo.skuSaleAttrValueList = spuSaleAttrList.reduce((prev,item)=>{
        if(item.attrIdAndValueId){
          const [saleAttrId,saleAttrValueId] = item.attrIdAndValueId.split(':');
          prev.push({saleAttrId,saleAttrValueId});
        }
        return prev
      },[]);
      //整理图片的数据
      skuInfo.skuImageList = imageList.map(item=>{
        return {
          imgName:item.imgName,
          imgUrl:item.imgUrl,
          isDefault:item.isDefault,
          spuImaId:item.id,
        }
      });
      //发请求
      let result =  await this.$API.sku.reqAddSku(skuInfo);
      console.log(result);
        if(result.code ==200){
          this.$message({type:'success',message:'添加sku成功'})
          this.$emit('changeScenes',0)
        }
      },
  },
}
</script>

<style scoped>

</style>
